About Calculating the Airflow Required for Air Cleaning
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Portable Fume Exhausters

In addition to using the handle to carry these exhausters, you can mount them to a wall, bench, or floor. They remove fumes, vapors, and fine dust particles from your space. They are commonly used in welding, soldering, and other operations that create fumes. All have a totally enclosed motor enclosure, which can be used in dirty, dusty, and damp environments. They have a flexible hose with nozzle to capture fumes at the source and rubber pads on the base to reduce vibration.
Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.
Single-duct kits (sold separately) include a hose, a nozzle, and two clamps to replace existing components.
Double-duct kits (sold separately) create two points for fume collection, although each will have lower airflow than the one collection point of a single-duct kit. These kits include two hoses, two nozzles, four clamps, and a wye connector.
Overall | Nozzle | Mounting | ||||||||||||||
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Airflow @ Static Pressure | Volume | Power, hp | Inlet Dia. | Outlet Dia. | Ht. | Wd. | Dp. | Ht. | Wd. | Housing Material | Fasteners Included | For Screw Size | Hole Dia. | Number of Holes | Each | |
120/230V AC, Single Phase—Hardwire | ||||||||||||||||
730 cfm @ 1 1/2 in. of H₂O 795 cfm @ 1/4 in. of H₂O 810 cfm @ 0 in. of H₂O | 73 dBA @ 15 ft. | 1 1/2 | 6" | 6" | 21 3/8" | 21 1/2" | 16 1/2" | 8" | 8" | Steel | No | 3/8" | 7/16" | 4 | 0000000 | 000000000 |
230/460V AC, Three Phase—Hardwire | ||||||||||||||||
730 cfm @ 1 1/2 in. of H₂O 795 cfm @ 1/4 in. of H₂O 810 cfm @ 0 in. of H₂O | 73 dBA @ 15 ft. | 1 1/2 | 6" | 6" | 21 3/8" | 21 1/2" | 16 1/2" | 8" | 8" | Steel | No | 3/8" | 7/16" | 4 | 0000000 | 00000000 |